Cisco 2955 Installation Guide Page 155
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Catalyst 2955 Hardware Installation Guide
78-14944-03
Chapter 4 Installation in a Hazardous Environment
Verifying Switch Operation
Wiring the DC Power Source
Warning
Only trained and qualified personnel should be allowed to install or replace this
equipment.
Statement 49
Warning
In switch installations in a hazardous location, the DC power source could be
located away from the vicinity of the switch. be sure that power is removed and
power cannot be accidentally be turned on or the area is nonhazardous before
proceeding.
Statement 1059
Warning
When you disconnect the power and relay connector with power applied to the
switch, an electrical arc can occur. This could cause an explosion in hazardous
area installations. Be sure that power is removed from the switch and cannot
be accidentally be turned on, or verify that the area is nonhazardous before
proceeding.
Failure to securely tighten the power and relay connector captive screws can
result in an electrical arc if the connector is accidentally removed.
Statement
1058
Warning
Connect the unit only to DC power source that complies with the safety
extra-low voltage (SELV) requirements in IEC 60950 based safety standards.
Statement 1033
Caution The AC/DC power converter (PWR-2955-AC=) can only be used in a
nonhazardous location installation.
Caution You must connect the Catalyst 2955 switch only to a DC-input power source that
has an input supply voltage from 18 to 32 VDC. If the supply voltage is not in this
range, the switch might not operate properly or might be damaged.
- November 2004 1
- CONTENTS 5
- 2 Overview 2-1 6
- 3 Installation 3-1 6
- 5 Troubleshooting 5-1 9
- B Connectors and Cables B-1 9
- Contents 10
- 78-14944-03 10
- Duration of Hardware Warranty 14
- Duration of Software Warranty 14
- Audience 17
- Conventions 18
- Varoitus 19
- Attention 19
- Avvertenza 20
- Advarsel 20
- ¡Advertencia! 21
- Varning! 21
- Related Publications 26
- Obtaining Documentation 26
- Cisco.com 27
- Documentation DVD 27
- Ordering Documentation 27
- Documentation Feedback 28
- • 1 877 228-7302 29
- • 1 408 525-6532 29
- Submitting a Service Request 31
- CLI-Based Setup Program 35
- Taking Out What You Need 36
- Connecting to a Power Source 36
- IP Settings 41
- Completing the Setup Program 41
- Step 10 These choices appear: 44
- Overview 45
- Features 46
- Chapter 2 Overview 46
- Front-Panel Description 47
- 3 Power and relay connector 48
- Warning Labels 49
- 10/100/1000 Ports 51
- Power Status LEDs 56
- 10/100 Port Status LEDs 57
- Uplink Port Status LEDs 58
- Alarm Relay LEDs 60
- Rear-Panel Description 61
- Management Options 63
- • SNMP network management 64
- Installation 65
- Class A Warning for Hungary 72
- • One ferrite 74
- 1 Power and relay connector 90
- Connector 96
- Preparing the AC Power Cord 99
- Statement 42 100
- Chapter 3 Installation 101
- Statement 122 108
- 2 DIN rail 111
- 2 DIN rail clip assembly 117
- Statement 1006 121
- Class 1 LED product 129
- Statement 1027 129
- Statement 1051 131
- Statement 1012 131
- Where to Go Next 133
- Installation in a Hazardous 135
- Environment 135
- Preparing for Installation 136
- EMC Regulatory Statements 142
- VCCI Class A Notice for Japan 143
- Class A Warning for Korea 143
- European Zone 2 Certification 144
- Installation Guidelines 145
- Verifying Package Contents 146
- Verifying Switch Operation 148
- 1 Console cable 150
- Grounding the Switch 152
- Wiring the DC Power Source 155
- Power On the Switch 164
- Running POST 164
- Step 2 Disconnect the cables 166
- Troubleshooting 189
- Understanding POST Results 190
- Diagnosing Problems 191
- Technical Specifications 195
- Catalyst 2955S-12 Switches 196
- Connectors and Cables 201
- 10/100 and 10/100 /1000 Ports 202
- 100BASE-FX Ports 203
- 100BASE-LX Ports 203
- Power and Relay Connector 204
- Console Port 205
- 10/100 ports 206
- 10/100 Ports 207
- Cable and Adapter Pinouts 209
- Connecting to a Terminal 210
- Identifying a Crossover Cable 211
- Translated Safety Warnings 213
- Waarschuwing 219
- Switch Relays Warning 223
- “Open Type” Equipment 230
- Grounded Equipment 234
- Console Cable Connection 236
- Overtemperature Warning 239
- Twisted-pair Supply Wires 244
- Port Connection 247
- Installation Instructions 250
- Service Personnel Warning 251
- Stacking the Chassis Warning 253
- Ground Connection Warning 254
- Jewelry Removal Warning 257
- Product Disposal Warning 259
- Class 1 Laser Product 261
- Class 1 LED Product 262
- Laser Radiation 264
- Laser Viewing Warning 266
- Laser Beam Exposure 268
- Grounded Equipment Warning 278
- Qualified Personnel Warning 280
- Restricted Area 281
- Chassis Power Connection 284
- Exposed DC Power Wire Warning 287
- Numerics 289
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